Endress+Hauser Pressure Sensor FMB51

Prerequisite: The measured variable is in direct proportion to the pressure. The tank can be filled and emptied. The values entered for 'Empty calib. (028)/Full calib. (031)' and the pressures present at the device must be at least 1% apart.

Select the 'Level' measuring mode via the 'Measuring mode (005)' parameter

Select a pressure unit via the 'Press. eng. unit (125)' parameter

Select the 'in pressure' level mode by means of the 'Level selection (024)' parameter

Select a level unit by means of the 'Unit before lin (025)' parameter

Select the 'Wet' option by means of the 'Calibration mode (027)' parameter

Enter the pressure for the lower calibration point

Enter the pressure for the upper calibration point

Warning: Operation must be unlocked. Refer to page 33, 'Locking/unlocking operation'

The device is configured for the 'Pressure' measuring mode as standard.

The pressure applied must be within the nominal pressure limits of the sensor. See information on the nameplate.

Press the 'Zero' key for at least 3 seconds.

Does the LED on the electronic insert light up briefly?

If Yes: Applied pressure for position adjustment has been accepted.

If No: Applied pressure for position adjustment has not been accepted. Observe the input limits.

Observe warning on commissioning (Page 35)